# Build the manager binary
FROM golang:1.16 as builder

WORKDIR /workspace
# Copy the Go Modules manifests
COPY go.mod go.mod
COPY go.sum go.sum
# cache deps before building and copying source so that we don't need to re-download as much
# and so that source changes don't invalidate our downloaded layer
RUN export GOPROXY=https://goproxy.cn && export GO111MODULE=on && go mod download

# Copy the go source
COPY main.go main.go
COPY api/ api/
COPY command/ command/
COPY k8s/ k8s/
COPY report/ report/
COPY controllers/ controllers/

# Build
RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -a -o manager main.go

# Use distroless as minimal base image to package the manager binary
# Refer to https://github.com/GoogleContainerTools/distroless for more details
FROM istio/distroless:1.11-dev.6
WORKDIR /
COPY --from=builder /workspace/manager .
USER 65532:65532

ENTRYPOINT "/manager -partition=$PARTITION -kafka-brokers=$KAFKA_BROKERS -kafka-topic=$KAFKA_TOPIC -redis-url=$REDIS_URL -redis-db=$REDIS_DB -redis-password=$REDIS_PASSWORD -namespace=$NAMESPACE -leader-elect=$LEADER_ELECT"
